| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.70 | -0.04 |
| Feb | 1.76 | 1.87 | -0.11 |
| Mar | 3.25 | 3.21 | 0.04 |
| Apr | 4.49 | 4.25 | 0.24 |
| May | 5.84 | 5.84 | 0.00 |
| Jun | 4.85 | 4.74 | 0.11 |
| Jul | 3.63 | 3.76 | -0.13 |
| Aug | 3.55 | 3.34 | 0.21 |
| Sep | 3.94 | 3.75 | 0.19 |
| Oct | 3.69 | 3.56 | 0.13 |
| Nov | 2.86 | 2.80 | 0.06 |
| Dec | 2.38 | 2.33 | 0.05 |
41.90 | 41.15 | 0.75 |